mirror of
https://github.com/classilla/tenfourfox.git
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66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsGkAtoms.h"
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#include "txXSLTFunctions.h"
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#include "txExecutionState.h"
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/*
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Implementation of XSLT 1.0 extension function: current
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*/
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/**
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* Creates a new current function call
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**/
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CurrentFunctionCall::CurrentFunctionCall()
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{
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}
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/*
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* Evaluates this Expr
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*
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* @return NodeSet containing the context node used for the complete
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* Expr or Pattern.
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*/
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nsresult
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CurrentFunctionCall::evaluate(txIEvalContext* aContext, txAExprResult** aResult)
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{
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*aResult = nullptr;
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if (!requireParams(0, 0, aContext))
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return NS_ERROR_XPATH_BAD_ARGUMENT_COUNT;
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txExecutionState* es =
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static_cast<txExecutionState*>(aContext->getPrivateContext());
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if (!es) {
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NS_ERROR(
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"called xslt extension function \"current\" with wrong context");
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return NS_ERROR_UNEXPECTED;
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}
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return aContext->recycler()->getNodeSet(
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es->getEvalContext()->getContextNode(), aResult);
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}
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Expr::ResultType
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CurrentFunctionCall::getReturnType()
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{
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return NODESET_RESULT;
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}
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bool
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CurrentFunctionCall::isSensitiveTo(ContextSensitivity aContext)
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{
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return !!(aContext & PRIVATE_CONTEXT);
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}
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#ifdef TX_TO_STRING
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nsresult
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CurrentFunctionCall::getNameAtom(nsIAtom** aAtom)
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{
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*aAtom = nsGkAtoms::current;
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NS_ADDREF(*aAtom);
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return NS_OK;
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}
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#endif
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